52 int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)  in l2_packet_get_own_addr()  argument
54 	os_memcpy(addr, l2->own_addr, ETH_ALEN);  in l2_packet_get_own_addr()
59 int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,  in l2_packet_send()  argument
62 	if (!l2->l2_hdr) {  in l2_packet_send()
68 		os_memcpy(eth->h_source, l2->own_addr, ETH_ALEN);  in l2_packet_send()
71 		ret = pcap_inject(l2->pcap, (u8 *) eth, len + sizeof(*eth));  in l2_packet_send()
75 		return pcap_inject(l2->pcap, buf, len);  in l2_packet_send()
81 	struct l2_packet_data *l2 = eloop_ctx;  in l2_packet_receive()  local
91 	if (!l2->rx_callback || !packet || hdr.caplen < sizeof(*ethhdr))  in l2_packet_receive()
95 	if (l2->l2_hdr) {  in l2_packet_receive()
109 	l2->rx_callback(l2->rx_callback_ctx, ethhdr->h_source, buf, len);  in l2_packet_receive()
113 static int l2_packet_init_libpcap(struct l2_packet_data *l2,  in l2_packet_init_libpcap()  argument
120 	pcap_lookupnet(l2->ifname, &pcap_netp, &pcap_maskp, pcap_err);  in l2_packet_init_libpcap()
121 	l2->pcap = pcap_open_live(l2->ifname, 2500, 0, 10, pcap_err);  in l2_packet_init_libpcap()
122 	if (l2->pcap == NULL) {  in l2_packet_init_libpcap()
124 		fprintf(stderr, "ifname='%s'\n", l2->ifname);  in l2_packet_init_libpcap()
127 	if (pcap_datalink(l2->pcap) != DLT_EN10MB &&  in l2_packet_init_libpcap()
128 	    pcap_set_datalink(l2->pcap, DLT_EN10MB) < 0) {  in l2_packet_init_libpcap()
130 			pcap_geterr(l2->pcap));  in l2_packet_init_libpcap()
137 		    MAC2STR(l2->own_addr), /* do not receive own packets */  in l2_packet_init_libpcap()
138 		    MAC2STR(l2->own_addr), MAC2STR(pae_group_addr),  in l2_packet_init_libpcap()
140 	if (pcap_compile(l2->pcap, &pcap_fp, pcap_filter, 1, pcap_netp) < 0) {  in l2_packet_init_libpcap()
141 		fprintf(stderr, "pcap_compile: %s\n", pcap_geterr(l2->pcap));  in l2_packet_init_libpcap()
145 	if (pcap_setfilter(l2->pcap, &pcap_fp) < 0) {  in l2_packet_init_libpcap()
146 		fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(l2->pcap));  in l2_packet_init_libpcap()
159 		if (ioctl(pcap_fileno(l2->pcap), BIOCIMMEDIATE, &on) < 0) {  in l2_packet_init_libpcap()
162 				__func__, l2->ifname, strerror(errno));  in l2_packet_init_libpcap()
168 	eloop_register_read_sock(pcap_get_selectable_fd(l2->pcap),  in l2_packet_init_libpcap()
169 				 l2_packet_receive, l2, l2->pcap);  in l2_packet_init_libpcap()
244 	struct l2_packet_data *l2;  in l2_packet_init()  local
246 	l2 = os_zalloc(sizeof(struct l2_packet_data));  in l2_packet_init()
247 	if (l2 == NULL)  in l2_packet_init()
249 	os_strlcpy(l2->ifname, ifname, sizeof(l2->ifname));  in l2_packet_init()
250 	l2->rx_callback = rx_callback;  in l2_packet_init()
251 	l2->rx_callback_ctx = rx_callback_ctx;  in l2_packet_init()
252 	l2->l2_hdr = l2_hdr;  in l2_packet_init()
254 	if (eth_get(l2->ifname, l2->own_addr) < 0) {  in l2_packet_init()
256 			"interface '%s'.\n", l2->ifname);  in l2_packet_init()
257 		os_free(l2);  in l2_packet_init()
261 	if (l2_packet_init_libpcap(l2, protocol)) {  in l2_packet_init()
262 		os_free(l2);  in l2_packet_init()
266 	return l2;  in l2_packet_init()
282 void l2_packet_deinit(struct l2_packet_data *l2)  in l2_packet_deinit()  argument
284 	if (l2 != NULL) {  in l2_packet_deinit()
285 		if (l2->pcap) {  in l2_packet_deinit()
287 				pcap_get_selectable_fd(l2->pcap));  in l2_packet_deinit()
288 			pcap_close(l2->pcap);  in l2_packet_deinit()
290 		os_free(l2);  in l2_packet_deinit()
295 int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)  in l2_packet_get_ip_addr()  argument
309 		if (os_strcmp(dev->name, l2->ifname) != 0)  in l2_packet_get_ip_addr()
331 void l2_packet_notify_auth_start(struct l2_packet_data *l2)  in l2_packet_notify_auth_start()  argument
336 int l2_packet_set_packet_filter(struct l2_packet_data *l2,  in l2_packet_set_packet_filter()  argument